11783142 has 48 divisors (see below), whose sum is σ = 30899232. Its totient is φ = 3168000.

The previous prime is 11783141. The next prime is 11783143. The reversal of 11783142 is 24138711.

It is an interprime number because it is at equal distance from previous prime (11783141) and next prime (11783143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11783141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (643734).

Almost surely, 2^11783142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11783142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15449616).

11783142 is an abundant number, since it is smaller than the sum of its proper divisors (19116090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11783142 is a wasteful number, since it uses less digits than its factorization.

11783142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533 (or 5530 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11783142 is about 3432.6581536762. The cubic root of 11783142 is about 227.5553429743. Note that the first 3 decimals are identical.

The spelling of 11783142 in words is "eleven million, seven hundred eighty-three thousand, one hundred forty-two".